Glow-worm Compact 24c-AS/1 H-GB, Инструкция по установке и обслуживанию, Страница: 36 / 56

12 Inspection and maintenance
36
Installation and maintenance instructions MicraCom 0020289288_02
–
Working materials: Digital pressure gauge
Result 1:
≥
0.075 MPa (
≥
0.750 bar)
The pre-charge pressure is in the permissible range.
Result 2:
< 0.075 MPa (< 0.750 bar)
▶
Fill the expansion vessel in accordance with the
static height of the heating installation; ideally with
nitrogen, otherwise with air. Ensure that the drain
valve is open when topping up.
3. If water escapes from the valve of the expansion ves-
sel, replace the expansion vessel.
4. Fill the heating installation. (
→
Page 25)
5. Purge the heating installation. (
→
Page 26)
12.4.9 Cleaning the heating filter
1. Drain the product on the heating side.
2. Hinge the electronics box forwards.
1
2
3
3. Remove the clamp (1) .
4. Remove the expansion relief valve (2) .
5. Remove the heating filter (3) from its bracket.
6. Rinse the heating filter under running water, against the
direction of flow.
7. If the strainer is damaged or it can no longer be cleaned
sufficiently, you must replace the strainer.
8. Use only new seals.
9. Reinsert the heating filter, the expansion relief valve
and the clips.
12.4.10 Cleaning the condensate siphon
A
E
D
C
B
1. Disconnect the condensate discharge hose from the
lower section of the siphon.
2. Clean the condensate siphon as shown in the figure
→
(A) to (D) .
3. Check whether the seal is still present on the heating
heat exchanger.
▽
If the seal is no longer present or is damaged, re-
place it.
4. Fill the condensate siphon (E) .
5. Reattach the condensate siphon.
6. Connect the condensate discharge hose.
12.4.11 Completing cleaning and inspection work
1. Hinge the electronics box upwards.
2. Install the front casing. (
→
Page 27)
3. Establish the power supply if this has not yet been
done.
4. Open all service valves and the gas stopcock if this has
not yet been done.
5. Switch the product back on if this has not yet been
done. (
→
Page 25)
6. Check the product for tightness. (
→
Page 29)